Extreme skewing in x-inactivation has been linked with which of the following characteristics in offspring?

Which of the following was not a health practice evaluated in To Catch a Cold

(a) sexual activity (b) exercise (c) sleep quality (d) diet

Whose opinion is best supported by the results of twin and adoption studies?

a. Aaron, who assumes heredity is solely responsible for behavioral development. b. Baron, who believes heredity has a substantial, but not total influence on behavioral development. c. Karen, who asserts that heredity has virtually no influence on development. d. Sharon, who asserts that twin and adoption studies are too flawed to yield accurate information about the influence of genetics on development.